EP1321426A1 - Teleskopausleger - Google Patents
Teleskopausleger Download PDFInfo
- Publication number
- EP1321426A1 EP1321426A1 EP02090407A EP02090407A EP1321426A1 EP 1321426 A1 EP1321426 A1 EP 1321426A1 EP 02090407 A EP02090407 A EP 02090407A EP 02090407 A EP02090407 A EP 02090407A EP 1321426 A1 EP1321426 A1 EP 1321426A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- piston
- telescopic boom
- inner box
- piston system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
Definitions
- the invention relates to a telescopic boom, in particular a telescopic boom for a mobile crane with the features mentioned in the preamble of claim 1.
- Telescopic booms with hydraulic telescopic systems have been around for many years known.
- DE 198 24 672 A1 describes a crane with a telescopic boom described.
- the telescopic boom has a basic box in which several Inner boxes are essentially coaxially guided.
- the inner boxes can one by one through a hydraulic cylinder / piston system be extended.
- the hydraulic cylinder / piston system is one its two axial ends (foot area) fixed in the basic box and with his extendable part by means of a coupling device to the one to be moved Inner box connectable.
- This coupling device is also used as a backup and Locking unit called.
- the extendable part of the cylinder / piston system can either in the piston rod or in the hydraulic cylinder.
- the inner boxes can each in their retracted and in their extended position by one of opposite the locking and actuating bolting device the next larger inner box or (in the case of the outermost inner box) with the Basic box of the telescopic boom can be mechanically locked so that none relative shift against each other is more possible.
- an inner box is the bolting device after coupling the Locking and locking unit unlockable by the latter.
- the extension length of the hydraulic cylinder / piston system corresponds in this known solution to the axial length of the longest inner box to be moved. In the extended Position, the length of the hydraulic cylinder / piston system is practically double so long.
- the individual inner boxes are telescoped Telescopic boom according to DE 198 24 672 A1 with this solution not in one Step, but in two steps.
- the lower one is used to extend Security and locking unit operated and the respective inner box to about extended half its extension length and locked in this intermediate position.
- the cylinder then moves back to its starting position.
- the upper locking and locking unit is in one Position that approximately corresponds to the position of the lower locking and locking unit on Corresponds to the end of the first step.
- the second backup and Locking unit is back to start position with the lower fuse and Locking unit to grip the next inner box.
- the time required for that Extending an inner box is almost the same size with this telescopic boom in the telescopic boom according to DE 198 24 672 A1.
- the object of the present invention is to provide a telescopic boom Generic type to further develop in such a way that the lowest possible Weight for the drive system the time for an inner box to be extended into its maximum extended position is significantly shortened.
- the present invention is based on a telescopic boom, which is particularly for Mobile cranes is provided and has a basic box in which one or more Inner boxes are essentially coaxially guided. These inner boxes are one by one by a first hydraulic cylinder / piston system extendable, this hydraulic cylinder / piston system on one of its two axial ends (foot area, i.e. lower in the working position of the telescopic boom End) is fixed in the basic box and with its extendable part by means of a preferably designed as a securing and locking unit first Coupling device can be coupled to the inner box to be moved in each case. The respective inner box is in its retracted and in its extended position each by e.g.
- the invention provides that parallel to the first hydraulic cylinder / piston system, a second hydraulic one Cylinder / piston system is arranged, which also with one of its two axial ends is fixed in the basic box and with its extendable part by means of a second, e.g. coupling device designed as a safety and locking unit can be coupled to the inner box to be moved in each case.
- the two cylinder / piston systems can be operated in opposite directions. This is it possible that during the execution of an idle stroke in which the one hydraulic Cylinder / piston system returns to its original position with the help of another hydraulic cylinder / piston system already a further extension movement to execute for an inner box. This can result in an almost continuous Telescopic movement for the boom can be achieved without the heavy weight of one Drive system for a conventional fully continuous telescopic operation in purchase to have to take.
- the extendable length of the two cylinder / piston systems of the present invention each chosen significantly smaller than the extendable length of the respective inner box and the respective inner box by means of the first hydraulic cylinder / piston system from the retracted position over a first section of the entire extendable length of the inner box and by means of the second hydraulic Cylinder / piston system over a second section of the entire extendable length the inner box can be moved into its end position.
- the extendable length of the two cylinder / piston systems in the range of about 40% - 60%, especially at about 50% of the largest extendable length of an inner box.
- the upper locking and locking unit in the coupling point intervene, release the lock again and insert the inner box into the desired one Move to the end position and place it there, i.e. again with the next largest Lock the inner box or the outermost inner box with the basic box.
- the invention provides that both Cylinder / piston systems each as coupling devices via two safety and Locking units have, one in the foot area and the other in Head area of the respective cylinder / piston system (based on the retracted Position) is arranged.
- This makes it possible, except for the invention Counter-clockwise operation of the cylinder / piston systems even when using shortened ones Cylinder / piston systems, if necessary, temporarily in synchronous operation and therefore with to work accordingly increased telescopic force.
- counter-clockwise operation then the previously described mode of operation takes place, in each case during the Working strokes of a cylinder / piston system over the intended section of the total extension length of the respective inner box, the idle stroke of the other Cylinder / piston system is executed to largely eliminate dead times.
- the respective inner box becomes synchronous after both have intervened in the foot area arranged locking and locking units, for example, to about 50% of the Telescopic box length. Then both cylinder / piston systems retract their starting position back and leave their upper safety and Couple locking units and move the inner box into each desired basic position, for example at 90% or 100% of the maximum Extension length is. Of course, the inner box remains in during the empty lift locked its intermediate position.
- each with two safety and Locking units can also be provided in a known manner, each Cylinder / piston system with only one locking and locking unit to be provided, but which is displaceable in the axial direction and on the two axial ends of the respective cylinder / piston system (based on the retracted Position) can be locked.
- the above-described effect can thus be used in the same way achieve, as is the case with the shortened one-cylinder system according to DE 198 24 671 A1 has already been explained at the beginning.
- the invention provides that the two Cylinder / piston systems have different diameters, i.e. on different hydraulic power are designed.
- the two can Cylinder / piston systems can be arranged horizontally next to each other, but in Generally the profile cross sections of telescopic booms in the vertical direction (height) are larger than in the horizontal direction (width), it is recommended to use the two Arrange cylinder / piston systems one above the other, preferably the cylinder / piston system with the smaller diameter over the cylinder / piston system with the larger diameter. To reduce the deflection in particular When extended, it is also recommended to use the two cylinder / piston systems to support each other via slide rails.
- the cylinder / piston systems each with their cylinder in the Base box to fix and the piston rod as a moving part of the cylinder / piston system to let work.
- This brings advantages with regard to the attachment of the Supply lines for the pressure medium supply to the hydraulic cylinders.
- the reverse Arrangement is of course also possible and has advantages in other respects.
- On a movable hydraulic cylinder can namely in their head and The required securing and locking units if necessary be attached.
- An arrangement in which the one cylinder / piston system with its hydraulic cylinder and the other Cylinder / piston system is fixed with its piston rod in the basic box.
- a cylinder / piston system with a cylinder fixed to the basic box a locking and locking unit in the foot area of the cylinder / piston system to couple with the extendable piston rod.
- a pull frame can be used for this be connected to the free end of the piston rod and parallel to Longitudinal axis extends to the foot area of the cylinder / piston system. In this case is spoken of a train frame construction.
- An advantageous embodiment of the invention provides that the two Cylinder / piston systems are each designed for different telescopic forces.
- This can be implemented in such a way that the first cylinder / piston system unites has a smaller diameter than the second cylinder / piston system and with its Cylinder fixed in the basic box and with regard to its only safety and Locking unit is designed in a pull frame design and that the second Cylinder / piston system with its piston rod fixed in the basic box and its only one Locking and locking unit at the upper end of its extendable cylinder is attached.
- the first cylinder / piston system therefore takes over the first Partial step of the extension movement for an inner box. This is generally requires significantly less hydraulic power than for the second sub-step Extension movement. Therefore, the smaller cylinder / piston system for the first and the larger one is used for the second step.
- FIG. 1 The cross section shown schematically in Fig. 1 by a Inner box 3 of a telescopic boom, which is otherwise not shown in more detail in two hydraulic cylinder / piston systems arranged vertically one above the other 7, 8, each with a locking and locking unit 12, 15 are equipped.
- the securing and locking units 12, 15 by means of coupling elements 20 and 21, respectively, which are installed in the inner box 23 3 can intervene, can couple to the inner box 3, so that this in the direction the longitudinal axis of the inner box by the cylinder / piston systems 7, 8 displaceable is.
- the cylinder / piston systems 7, 8 are guided by a guide 32.
- FIG. 2 is a cross-sectional representation through an inner box, which is basically the same 3 reproduced, in which, in contrast to Fig. 1, it is only provided that the two cylinder / piston systems 7, 8 are arranged horizontally next to each other.
- the locking bolts 22, which is shown in FIG engage the top and bottom of the profile rotated by 90 °, so that an engagement in the both side walls of the profile.
- For connecting the fuse and Locking units 7, 8 are in each case only one coupling element 20 intended.
- FIG. 4 which has an axial cross section through two inner boxes 3, 4 of FIG. 3 in Representing the shape of two longitudinal sections shown telescopic boom 1 are further Details recognizable. It can be seen that the inner box 3 via slide bearings 28, 29, with Lubricant feeds are provided, sliding against the next largest Inner box 4 is supported.
- the coupling elements 20, 21 can be seen, which are connected to one another in pairs are arranged opposite each other. These bolt-shaped coupling elements 20, 21 can engage in corresponding coupling openings 24 and 25, which are in lateral partition-like internals 23 are located.
- the actuation of the coupling elements 20, 21, which is not shown here, can for example be mechanical, electrical, pneumatic or hydraulically. Locking bolts are just as little in this cut as the devices for actuating the locking bolt shown. But you can see that the two Zyllnder / piston systems 7, 8 on each other and slide rails 26, 27 are supported against the inner box 3.
- the Telescopic boom 1 has a basic box 2, which is at its foot end Has pivot bearing 18 with which the telescopic boom 1 around a horizontal Swivel axis is rockable.
- the rocking movement is by means of a not shown hydraulic rocker cylinder executed on the superstructure, not shown a mobile crane can be stored and with its extendable part in a warehouse 19 can be articulated on the underside of the basic box 2.
- the telescopic boom 1 has, in addition to the inner box 3, three other inner boxes 4, 5, 6, which in corresponding to how the inner box 3 telescopic and by reversing the Work processes can be telescoped in a corresponding manner. It can also be seen that the two cylinder / piston systems 7, 8 parallel to the longitudinal axis of the Telescopic boom 1 are arranged. As more clearly from the sectional view of FIG. 4 emerges, the upper cylinder / piston system 7 has a somewhat smaller one Diameter on than the lower cylinder / piston system 8, so that the former at the same Hydraulic pressure developed a correspondingly lower hydraulic force.
- the Cylinder / piston system 7 is with its cylinder 9 via a mounting 16 at the foot of the Basic box 2 stored in this stationary.
- the piston rod 10 of the cylinder / piston system 7 is fully extended in the upper part of FIG. 3. she wears at its free (left) end a pull frame 11, which is towards the foot end of the boom 1 extends and at its lower (right) end the fuse and Locking unit 12 carries, with which the cylinder / piston system 7 to the inner box 3 is coupled.
- the lower end of the inner box 3 is therefore in the area of Securing and locking unit 12. Seen at the same height in the axial direction there is also the locking and locking unit 15 of the second Cylinder / piston system 8, the cylinder with 13 and the piston rod with 14 is designated.
- This cylinder / piston system 8 is with the lower end of the Piston rod 10 fixed by means of a fastening 17 at the base of the base box 2, so that the cylinder 13 represents the extendable part of this cylinder / piston system 8.
- the second locking and locking unit 15 is attached.
- the Inner box 3 through the locking and locking unit 15 to the other Security and locking unit 12 are passed, so that another Extension of the inner box 3 by means of the second hydraulic cylinder / piston system 8 is possible.
- 3 shows the final state for this Extend process again, in which the inner box 3, which is still connected to the fuse and Locking unit 15 is coupled, is in its end position.
- Fig. 5 is in three schematic representations similar to Fig. 3 as a longitudinal section Boom 1 shown, the two cylinder / piston systems 7, 8 each with two securing and locking units 12a, 15a and 12b, 15b are provided.
- a first upper locking and locking unit 15a is at the head end of the cylinder 13 of the cylinder / piston system 8 and a first lower fuse and Locking unit 12a arranged at the foot end of the cylinder 13.
- the other Cylinder / piston system 7 is a pull frame 11 at the head end of the extendable Piston rod 10 attached, the tension frame 11 extending into the foot area of the Cylinder / piston system 7 extends (in the retracted state) and there with a second lower locking and locking unit 12b is provided while a second upper securing and locking unit 15b at the head end of the extendable Piston rod 10 is arranged.
- the three partial representations of FIG. 5 show the case that the cylinder / piston systems 7, 8 to achieve a maximum telescopic force in Be operated synchronously. In the upper illustration, both have cylinder / piston systems 7, 8 with their lower securing and locking units 12a, 12b innermost inner box 3 extended to half the extended position.
- the present invention enables telescopic times for a telescopic boom realize that largely correspond to the times that a fully hydraulic telescopic system can be achieved. At the same time, however, it becomes clear Weight reduction possible for the hydraulic system to be used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Actuator (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
1 | Teleskopausleger |
2 | Grundkasten |
3 | Innenkasten |
4 | Innenkasten |
5 | Innenkasten |
6 | Innenkasten |
7 | erstes hydraulisches Zylinder/Kolben-System |
8 | zweites hydraulisches Zylinder/Kolben-System |
9 | Zylinder |
10 | Kolbenstange |
11 | Zugrahmen |
12, 12a, 12b | Sicherungs- und Verriegelungseinheit |
13 | Zylinder |
14 | Kolbenstange |
15, 15a, 15b | Sicherungs- und Verriegelungseinheit |
16 | Befestigung am Fuß des Grundkastens |
17 | Befestigung am Fuß des Grundkastens |
18 | Schwenklager |
19 | Lager |
20 | Ankoppelelement |
21 | Ankoppelelement |
22 | Verriegelungsbolzen |
23 | Einbauten |
24 | Ankoppelöffnung |
25 | Ankoppelöffnung |
26 | Gleitschiene |
27 | Gleitschiene |
28 | Gleitlager |
29 | Gleitlager |
30 | Greifer |
31 | Greifer |
32 | Führung |
Claims (14)
- Teleskopausleger, insbesondere Teleskopausleger (1) für einen Mobilkran, mit einem Grundkasten (2), in dem ein oder mehrere Innenkästen (3 - 6) im wesentlichen koaxial ineinander geführt sind, die nacheinander durch ein erstes hydraulisches Zylinder/Kolben-System (7) wahlweise ein- oder ausfahrbar sind, wobei das erste hydraulische Zyiinder/Kolben-System (7) an einem seiner beiden axialen Enden (Fußbereich) im Grundkasten (2) fixiert ist und mit seinem ausfahrbaren Teil mittels einer ersten Koppeleinrichtung (Sicherungs- und Verriegelungseinheit 12) an den jeweils zu verfahrenden Innenkasten (3 - 6) ankoppelbar ist und der jeweilige Innenkasten (3 - 6) in seiner eingefahrenen und seiner ausgefahrenen Stellung jeweils gegenüber dem nächstgrößeren Innenkasten (4 - 6) oder dem Grundkasten (2) verriegelbar und unmittelbar vor dem Verfahren nach Durchführung des Ankoppelns entriegelbar ist,
dadurch gekennzeichnet, dass parallel zu dem ersten hydraulischen Zylinder/Kolben-System (7) ein zweites hydraulisches Zylinder/Kolben-System (8) angeordnet ist, das ebenfalls mit einem seiner beiden axialen Enden im Grundkasten (2) fixiert ist und mit seinem ausfahrbaren Teil mittels einer zweiten Koppeleinrichtung (Sicherung- und Verriegelungseinheit 15) an den jeweils zu verfahrenden Innenkasten (3 - 6) ankoppelbar ist und dass die beiden Zylinder/Kolben-Systeme (7, 8) im Gegenlauf betreibbar sind. - Teleskopausleger nach Anspruch 1,
dadurch gekennzeichnet, dass die beiden Zylinder/Kolben-Systeme (7, 8) wahlweise auch im Gleichlauf betreibbar und gleichzeitig an jeweils denselben Innenkasten (3-6) ankoppelbar sind. - Teleskopausleger nach einem der Ansprüche 1 bis 2,
dadurch gekennzeichnet, dass die ausfahrbare Länge der beiden Zylinder/Kolben-Systeme (7, 8) jeweils deutlich kleiner ist als die ausfahrbare Länge des jeweiligen Innenkastens (3 - 6) und dass der jeweilige Innenkasten (3 - 6) mittels des ersten hydraulischen Zylinder/Kolben-Systems (7) aus der eingefahrenen Stellung über ein erstes Teilstück der gesamten ausfahrbaren Länge des Innenkastens (3 - 6) und mittels des zweiten hydraulischen Zylinder/Kolben-Systems (8) über ein zweites Teilstück der gesamten ausfahrbaren Länge des Innenkastens (3 - 6) bis in seine Endstellung verfahrbar ist. - Teleskopausleger nach Anspruch 3,
dadurch gekennzeichnet, dass die ausfahrbare Länge der beiden Zylinder/Kolben-Systeme (7, 8) im Bereich von 40 % bis 60 % der größten ausfahrbaren Länge eines Innenkastens (3 - 6), insbesondere bei 50 % dieser Länge liegt. - Teleskopausleger nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass jedes Zylinder/Kolben-System (7, 8) als Koppeleinrichtung über zwei Sicherungs- und Verriegelungseinheiten (12a, 15a bzw. 12b, 15b) verfügt, von denen jeweils eine im Bereich des einen axialen Endes (Fußbereich) und die andere im Bereich des anderen axialen Endes (Kopfbereich) des Zylinder/Kolben-Systems (7, 8) (bezogen auf die eingefahrene Stellung) angeordnet ist. - Teleskopausleger nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass die beiden Zylinder/Kolben-Systeme (7, 8) als Koppeleinrichtung jeweils nur mit einer Sicherungs- und Verriegelungseinheit (12, 15) versehen sind, die in axialer Richtung verschieblich und an beiden Enden des jeweiligen Zylinder/Kolben-System (7, 8) arretierbar sind. - Teleskopausleger nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass die beiden Zylinder/Kolben-Systeme (7, 8) als Koppeleinrichtung jeweils nur mit einer Sicherungs- und Verriegelungseinheit (12, 15) versehen sind, von denen im eingefahrenen Zustand die eine im Bereich des einen axialen Endes (Fußbereich) des einen Zylinder/Kolben-Systems (7) und die andere (15) im Bereich des anderen axialen Endes (Kopfbereich) des anderen Zylinder/Kolben-Systems (8) angeordnet ist. - Teleskopausleger nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass die beiden Zylinder/Kolben-Systeme (7, 8) auf unterschiedliche Teleskopierkraft ausgelegt sind, insbesondere untereinander unterschiedliche Durchmesser aufweisen. - Teleskopausleger nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass die beiden Zylinder/Kolben-Systeme (7, 8) bezüglich der Lastebene des Teleskopauslegers übereinander angeordnet sind. - Teleskopausleger nach den Ansprüchen 8 und 9,
dadurch gekennzeichnet, dass das Zylinder/Kolben-System (7) mit dem kleineren Durchmesser über dem Zylinder/Kolben-System (8) mit dem größeren Durchmesser angeordnet ist. - Teleskopausleger nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, dass die beiden Zylinder/Kolben-Systeme (7, 8) aufeinander abgestützt sind, insbesondere über Gleitschienen (26). - Teleskopausleger nach einem der Ansprüche 3 bis 11,
dadurch gekennzeichnet, dass mindestens eines der Zylinder/Kolben-Systeme (7, 8) mit seinem Zylinder (9, 13) im Grundkasten (2) fixiert ist und die Kolbenstange (10, 14) den beweglichen Teil des Zylinder/Kolben-Systems (7, 8) bildet. - Teleskopausleger nach Anspruch 12,
dadurch gekennzeichnet, dass die Sicherungs- und Verriegelungseinheit (12) des ersten Zylinder/Kolben-Systems (7) an einem Zugrahmen (11) befestigt ist, der mit dem ausfahrbaren Ende der Kolbenstange (10) gekoppelt ist und sich in der eingefahrenen Stellung entlang des Zylinders (9) bis in den Fußbereich des Zylinders (9) erstreckt (Zugrahmenbauweise). - Teleskopausleger nach Anspruch 3 und einem der Ansprüche 8 bis 11,
dadurch gekennzeichnet, dass das erste Zylinder/Kolben-System (7) einen kleineren Durchmesser aufweist als das zweite Zylinder/Kolben-System (8) und mit seinem Zylinder (9) im Grundkasten (2) fixiert und bezüglich seiner einzigen Sicherungs- und Verriegelungseinheit (12) in Zugrahmenbauweise ausgeführt ist und dass das zweite Zylinder/Kolben-System (8) mit seiner Kolbenstange (14) im Grundkasten (2) fixiert und seine einzige Sicherungs- und Verriegelungseinheit (15) am oberen Ende seines ausfahrbaren Zylinders (13) befestigt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10164600 | 2001-12-21 | ||
DE10164600A DE10164600C2 (de) | 2001-12-21 | 2001-12-21 | Teleskopausleger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1321426A1 true EP1321426A1 (de) | 2003-06-25 |
EP1321426B1 EP1321426B1 (de) | 2005-03-16 |
Family
ID=7711225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02090407A Expired - Lifetime EP1321426B1 (de) | 2001-12-21 | 2002-12-17 | Teleskopausleger |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1321426B1 (de) |
JP (1) | JP2003212479A (de) |
AT (1) | ATE290992T1 (de) |
DE (2) | DE10164600C2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITBO20100120A1 (it) * | 2010-03-01 | 2011-09-02 | Sol Ge S P A | Gru per il sollevamento di un carico. |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022084003A (ja) * | 2020-11-25 | 2022-06-06 | タダノ デマグ ゲーエムベーハー | 基本伸縮ジブおよび追加伸縮ジブを有する移動式クレーンの伸縮ジブシステム、および対応する方法 |
DE102021119612A1 (de) | 2021-07-28 | 2023-02-02 | Liebherr-Components Kirchdorf GmbH | Verriegelungskopf |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4490951A (en) * | 1981-11-04 | 1985-01-01 | Kidde, Inc. | Remotely operable latch and locking pin for a multi-section boom including a manual fly section |
DE19616167A1 (de) * | 1996-04-11 | 1997-10-16 | Mannesmann Ag | Teleskopausleger, insbesondere für stationäre oder fahrbare Krane |
DE19824672A1 (de) * | 1997-05-28 | 1998-12-03 | Mannesmann Ag | Kran mit einem Teleskopausleger |
EP1072554A1 (de) * | 1999-07-30 | 2001-01-31 | Liebherr-Werk Ehingen GmbH | Kran mit einem Teleskopausleger |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4688690A (en) * | 1986-03-07 | 1987-08-25 | Harnischfeger Corporation | Method and apparatus for extending fly section of crane boom |
DE29912814U1 (de) * | 1999-07-22 | 1999-12-02 | Bürkert Werke GmbH & Co., 74653 Ingelfingen | Zapfsystem für Tanksäulen |
-
2001
- 2001-12-21 DE DE10164600A patent/DE10164600C2/de not_active Expired - Fee Related
-
2002
- 2002-12-17 EP EP02090407A patent/EP1321426B1/de not_active Expired - Lifetime
- 2002-12-17 DE DE50202471T patent/DE50202471D1/de not_active Expired - Lifetime
- 2002-12-17 AT AT02090407T patent/ATE290992T1/de not_active IP Right Cessation
- 2002-12-24 JP JP2002371957A patent/JP2003212479A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4490951A (en) * | 1981-11-04 | 1985-01-01 | Kidde, Inc. | Remotely operable latch and locking pin for a multi-section boom including a manual fly section |
DE19616167A1 (de) * | 1996-04-11 | 1997-10-16 | Mannesmann Ag | Teleskopausleger, insbesondere für stationäre oder fahrbare Krane |
DE19824672A1 (de) * | 1997-05-28 | 1998-12-03 | Mannesmann Ag | Kran mit einem Teleskopausleger |
EP1072554A1 (de) * | 1999-07-30 | 2001-01-31 | Liebherr-Werk Ehingen GmbH | Kran mit einem Teleskopausleger |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITBO20100120A1 (it) * | 2010-03-01 | 2011-09-02 | Sol Ge S P A | Gru per il sollevamento di un carico. |
WO2011107929A3 (en) * | 2010-03-01 | 2012-03-01 | Effer S.P.A. | A crane for lifting a load |
EP2542495B1 (de) | 2010-03-01 | 2021-02-17 | EFFER S.p.A. | Lasthebekran |
Also Published As
Publication number | Publication date |
---|---|
EP1321426B1 (de) | 2005-03-16 |
DE10164600A1 (de) | 2003-07-10 |
DE50202471D1 (de) | 2005-04-21 |
ATE290992T1 (de) | 2005-04-15 |
JP2003212479A (ja) | 2003-07-30 |
DE10164600C2 (de) | 2003-12-11 |
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